Martin Field Airport
Aircraft Accident/Incident Report

College Place, Washington 99324
Sunday, April 24, 2011 9:45 PDT

NTSB Narrative Summary Released at Completion of Accident

The pilot reported that, while on final approach, the engine rpm dropped and that the engine then lost power. He advanced the throttle, pushed in the carburetor heat control, and attempted to restart the engine, but engine power was not restored. He subsequently performed a forced landing to a road. During the landing, the airplane’s right wing tip struck a sign and a mailbox, which resulted in substantial damage to the right wing spar. After the forced landing, the pilot was able to restart the engine, and he then taxied the airplane back to the airport. The pilot reported no known mechanical failures or malfunctions with the airplane, and a postaccident examination of the carburetor found no preaccident mechanical malfunctions or failures that would have precluded normal operation. Atmospheric conditions at the time of the accident were conducive to the formation of serious carburetor icing at glide power. It is likely that the pilot’s delayed use of carburetor heat resulted in the total loss of engine power due to the accumulation of carburetor icing.

NTSB Probable Cause Narrative

The pilot’s delayed use of carburetor heat while operating the airplane in atmospheric conditions conducive to carburetor icing, which resulted in a total loss of engine power due to carburetor icing during final approach.

Event Information

Type of Event Accident
Event Date 4/24/2011
Event Day of the Week Sunday
Time of Event 945
Event Time Zone Pacific Daylight Time
Event City College Place
Event State WASHINGTON
Event Country --
Zipcode of the event site 99324
Event Date Year 2011
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 460248N
Event Location Longitude 1182501W
Event Location Airport Martin Field Airport
Event Location Nearest Airport ID S95
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport --
Airport Elevation 746
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation 853 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 60
Weather Observation Facility ID ALW
Elevation of weather observation facility 1194
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 9
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 6
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.77
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 32932
NTSB Notification Source FAA AMN Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 6 2014 1:44PM
User who most recently changed record coos
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N23295
NTSB Number WPR11LA210
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150H
Aircraft Series Identifier --
Aircraft Serial Number 15068855
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 6 2010 12:00AM
Airframe hours since last inspection --
Airframe Hours 2967
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type Unknown
Aircraft Owner Name Larry Goodhew
Aircraft Owner Street Address --
Aircraft Owner City Walla Walla
Aircraft Owner State WA
Aircraft Owner Country USA
Aircraft Owner Zipcode 99362-7146
Operator is an individual? Yes
Operator Name Larry Goodhew
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City Walla Walla
Operator State WA
Operator Country USA
Operator Zip code 99362-7146
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code S95
Departure City College Place
Departure State WA
Departure Country USA
Departure Time 930
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code S95
Destination City College Place
Destination State WA
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 4 2014 9:18PM
User who most recently changed record cort
Since inspection or accident Time of Accident
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --